The 2017–18 CERH Women's European Cup is the 12th season of Europe's premier female club roller hockey competition organized by CERH.

Fourteen teams joined the first round while title holders Voltregà got a wildcard for the quarterfinals.

[1] Fifteen teams from six federations joined the competition.

[1] The draw was held at CERH headquarters in Lisbon, Portugal, on 23 September 2017.

[4] The Final Four was hosted in Lisbon, Portugal.